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一到春天，麦苗儿就开始反青，油菜开始抽薹开花。年复一年，就像钟表一样准确。人们不禁要问：是谁告诉农作物“春来了”？ 最明显的答案是：农作物能从气温的升高感知季节的变化，同时依据千变万化的环境信息来确定时令。 许多植物的胚芽必须在积累了一定的“冷量”之后，才
As soon as spring came, Mai Miao began anti-youth, rape began to bolting flowering. Year after year, just as accurate as a clock. People can not help but ask: Who told the crop “spring is coming?” The obvious answer is: Crops can sense changes in the seasons from rising temperatures, as well as seasonal variations based on ever-changing environmental information. Germ of many plants must accumulate a certain amount of “cold” before